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The patent EP4070787 was granted to Gilead Sciences on Mar 1, 2023. The application was filed on Jun 29, 2016 under application number EP22176524A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| ZENTIVA | Nov 29, 2023 | REDDIE & GROSE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO0208241 |
| DESCRIPTION | WO03016306 |
| DESCRIPTION | WO2013025788 |
| OPPOSITION | EP1583542 |
| OPPOSITION | US2007077295 |
| OPPOSITION | WO2013025788 |
| SEARCH | WO2013116720 |
| SEARCH | WO2015022351 |
| SEARCH | WO2015196116 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
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Jun 25, 2025
Jun 24, 2025
Refund of fees
Appeal
Jun 23, 2025
Jun 20, 2025
(Electronic) Receipt
Appeal
Jun 20, 2025
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Jun 17, 2025
(Electronic) Receipt
Appeal
Jun 17, 2025
Jun 17, 2025
Withdrawal of an appeal
Appeal
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(Electronic) Receipt
Appeal
Apr 22, 2025
Notice of appeal
Appeal
Apr 22, 2025
Notice of appeal
Appeal
Apr 11, 2025
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(Electronic) Receipt
Appeal
Apr 4, 2025
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Jan 18, 2023
(Electronic) Receipt
Search/Exam
Jan 18, 2023
Filing of the translations of the claims
Search/Exam
Jan 18, 2023
French translation of claims
Search/Exam
Jan 18, 2023
German translation of the claims
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Jan 18, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Jan 3, 2023
Text intended for grant (clean copy)
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Jan 3, 2023
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(Electronic) Receipt
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Oct 25, 2022
(Electronic) Receipt
Search/Exam
Oct 25, 2022
Amended claims with annotations
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Oct 25, 2022
Amended description with annotations
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Oct 25, 2022
Claims
Search/Exam
Oct 25, 2022
Description
Search/Exam
Oct 25, 2022
Drawings
Search/Exam
Oct 25, 2022
Letter accompanying subsequently filed items
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
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Sep 15, 2022
Annex to the communication
Search/Exam
Sep 15, 2022
Communication from the Examining Division
Search/Exam
Sep 14, 2022
Notification of forthcoming publication
Search/Exam
Sep 1, 2022
Refund of fees
Search/Exam
Aug 29, 2022
Aug 29, 2022
European search report
Search/Exam
Aug 29, 2022
Information on Search Strategy
Search/Exam
Aug 8, 2022
Search started
Search/Exam
Jul 25, 2022
Amendments not yet acceptable
Search/Exam
Jul 15, 2022
(Electronic) Receipt
Search/Exam
Jul 15, 2022
Annex
Search/Exam
Jul 15, 2022
Annex
Search/Exam
Jul 15, 2022
Annex
Search/Exam
Jul 15, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 15, 2022
Matter concerning the application
Search/Exam
May 31, 2022
Abstract
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May 31, 2022
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Annex
Search/Exam
May 31, 2022
Claims
Search/Exam
May 31, 2022
Description
Search/Exam
May 31, 2022
Designation of inventor
Search/Exam
May 31, 2022
Drawings
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May 31, 2022
Matter concerning the application
Search/Exam
May 31, 2022
Request for grant of a European patent
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